<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>1.使用jsx创建虚拟DOM</title>
  </head>
  <body>
    <!-- 准备好一个“容器” -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script src="../React-js/react.development.js"></script>
    <!-- 引入react-dom,用于支持react操作DOM -->
    <script
      type="text/javascript"
      src="../React-js/react-dom.development.js"
    ></script>
    <!-- 引入babel,用于将jsx转换为js -->
    <script type="text/javascript" src="../React-js/babel.min.js"></script>

    <script type="text/babel">
      // <!-- *此处一定要学babel -->
      // *1.创建虚拟DOM
      const vDOM = // <!-- *此处一定不要写引号，因为不是字符串 -->
        (
          <h1 id="title">
            <span>Hello,React</span>{' '}
          </h1>
        );
      console.log(vDOM);
      // *2.渲染虚拟DOM到页面
      ReactDOM.render(vDOM, document.getElementById('test')); //虚拟DOM  容器
      console.dir(document.getElementById('test'));
    </script>
  </body>
</html>
